* {
  margin: 0;
  padding: 0;
  list-style: none;
  border: 0 none;
  outline: none;
}
.main_viewport {
  min-width: 320px;
  max-width: 540px;
  width: 100%;
  margin: 0 auto;
}
.main_viewport .top_nav {
  justify-content: space-between;
  flex-direction: row;
  padding: 15px 10px;
  box-sizing: border-box;
  background-color: white;
  display: flex;
  width: 100%;
  top: 0;
  position: fixed;
  max-width: 540px;
  left: 50%;
  transform: translate(-50%);
}
.main_viewport .top_nav .header {
  background: url(../img/tripshoot_forward\ _black@3x.png) no-repeat 50%;
  background-size: 24px;
  width: 24px;
  height: 24px;
  margin: 7px 0;
}
.main_viewport .top_nav .home_title {
  padding-top: 10px;
  box-sizing: border-box;
}
.main_viewport .top_nav .home_title img {
  width: 16px;
  height: 16px;
  margin-left: 4px;
  margin-right: 16px;
}
.main_viewport .top_nav .searchline {
  display: flex;
  position: relative;
}
.main_viewport .top_nav .searchline span {
  font-size: 18px;
  position: absolute;
  left: 4px;
  top: 6px;
}
.main_viewport .top_nav .searchline input {
  flex: 1;
  height: 32px;
  border-radius: 32px;
  line-height: 32px;
  background: #f4f4f4;
  padding: 0 22px;
  color: #999;
  font-size: 14px;
}
.main_viewport .top_nav .right img {
  width: 22.6px;
  height: 22.6px;
  border-radius: 50%;
}
.main_viewport .middle {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 64px;
}
.main_viewport .middle ul li {
  width: 75px;
  float: left;
  font-size: 14px;
  text-align: center;
  line-height: 70px;
}
.main_viewport .body1 {
  display: flex;
  justify-content: space-around;
  flex-direction: row;
  flex-wrap: wrap;
  max-width: 540px;
  margin: 0 auto;
}
.main_viewport .body1 .item {
  width: 46%;
  height: 333px;
  border-radius: 6px;
  margin-bottom: 10px;
}
.main_viewport .body1 .item .top img {
  width: 100%;
  border-radius: 6px 6px 0 0;
  height: 238px;
}
.main_viewport .body1 .item .middle1 p {
  margin-top: 10px;
  margin-left: 10px;
  font-size: 16px;
}
.main_viewport .body1 .item .bot {
  display: flex;
  justify-content: space-around;
  flex-direction: row;
  margin-top: 10px;
}
.main_viewport .body1 .item .bot img {
  width: 24px;
  height: 24px;
  border-radius: 50%;
}
